Why does Garmin Coach give you pace zones and Polar running program HR zones? What is the difference between the 2 running programs? I'm not sure if I will get a Garmin
![Garmin Training Load vs Polar's Training Load Pro - Differences, Benefits, Primary Aspects - YouTube Garmin Training Load vs Polar's Training Load Pro - Differences, Benefits, Primary Aspects - YouTube](https://i.ytimg.com/vi/jOpHi1aIN8c/maxresdefault.jpg)
Garmin Training Load vs Polar's Training Load Pro - Differences, Benefits, Primary Aspects - YouTube
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